(n. pl.) A division of birds including the woodpeckers and wrynecks.
(pl. ) of Picus
Example Sentences:
(1) Methanol positive ion chemical ionization (PICI) spectra were recorded for cyclophosphamide, diaziquone, mitomycin C and thiotepa.
(2) Methane PICI spectra of thiotepa were obtained in the absence of methanol as a mobile-phase modifier.
(3) Moreover, with the same or even improved limits of detection the ITD can operate in the PICI mode.
(4) Selected ion monitoring in the PIEI mode generally gave much higher sensitivity than in the PICI and NICI modes.
(5) In the PICI mode, all compounds showed [M + 1]+ quasi-molecular ions constituting the base peaks.
(6) The positive ion electron impact (PIEI), positive ion chemical ionization (PICI) and negative ion chemical ionization (NICI) mass spectra and a rapid isolation procedure using Sep-Pak C18 cartridges are presented for ten local anaesthetics.
(7) Positive-ion electron impact (PIEI), positive-ion chemical ionization (PICI) and negative-ion chemical ionization (NICI) mass spectra of 9 carbamate pesticides are presented.
(8) The electron ionization (EI) and positive-ion chemical ionization (PICI) mass spectra of the methoxime-trimethylsilyl, trimethylsilyl-enol trimethylsilyl ether and pentafluoropropionic ester derivatives of NA are described.
(9) The total ion current in the PIEI and PICI modes generally gave higher sensitivity than in the NICI mode.
(10) Positive ion electron impact (PIEI), positive ion chemical ionization (PICI), and negative ion chemical ionization (NICI) mass spectra of seven compounds of hydantoins and their analogs are presented; their probable fragmentation modes are also presented.
(11) Positive-ion electron impact (PIEI), positive-ion chemical ionization (PICI) and negative-ion chemical ionization (NICI) mass spectra of 19 phenothiazines are presented.
(12) In the PICI mode, most spectra showed base or intense peaks due to M + H, and small peaks due to M + C2H5; peaks due to M - R1 + 2H and R1 also appeared in many compounds.
(13) In the PICI mode, peaks due to M + H and M + C2H5 appeared.